Patents by Inventor John J. Lacey, Jr.

John J. Lacey, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wind tunnel and collector configuration therefor
    Patent number: 6997049
    Abstract: An open jet wind tunnel having a test section, a nozzle exit and a collector in which the leading edge of the collector is configured with at least a portion being non-uniformly spaced from the nozzle exit.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: February 14, 2006
    Assignee: Aero Systems Engineering, Inc.
    Inventor: John J. Lacey, Jr.
  • Wind tunnel and collector configuration therefor
    Patent number: 6748800
    Abstract: An open jet wind tunnel having a test section, a nozzle exit and a collector in which the leading edge of the collector is configured with at least a portion being non-uniformly spaced from the nozzle exit.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: June 15, 2004
    Assignee: Aero Systems Engineering, Inc.
    Inventor: John J. Lacey, Jr.
  • Diaphragm construction for free piston shock tube/tunnel
    Patent number: 5606110
    Abstract: A free piston shock tube/tunnel and a diaphragm construction for a free piston shock tube tunnel in which the diaphragm is provided with multiple rupture areas.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: February 25, 1997
    Assignee: Aero Systems, Engineering, Inc.
    Inventor: John J. Lacey, Jr.
  • Valve assembly for free piston shock tube/tunnel
    Patent number: 5505081
    Abstract: A free piston shot tube tunnel having a high speed valve for releasing the piston to start the piston shot. A further feature of the present invention is a free piston shock tube/tunnel having a high speed valve for releasing pressure from the compression tube into the shock tube.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: April 9, 1996
    Assignee: Aero Systems Engineering, Inc.
    Inventors: John J. Lacey, Jr., Bruce C. Lindahl
  • Free piston shock tube tunnel
    Patent number: 5115665
    Abstract: A free piston shock tube/tunnel having a mechanism for increasing the holding time, without correspondingly increasing viscous losses in which the shock tube/tunnel includes a diaphragm positioned in the area of connection between the compression tube and the shock tube and a selectively replaceable orifice insert positioned near the diaphragm in which the orifice insert has an opening with a diameter less than the internal diameter of the shock tube.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: May 26, 1992
    Assignee: Fluidyne Engineering Corporation
    Inventor: John J. Lacey, Jr.